JLG 3246ES Service Manual - Manual (Page 37)

SECTION 3 - CHASSIS & SCISSOR ARMS
3121166 – JLG Lift – 3-1
SECTION 3. CHASSIS & SCISSOR ARMS
3.1 DIAGNOSTIC PORT
The diagnostic port is located behind the battery cover
at the near the ground control station as shown below.
The MDI (Multifunction Digital Indicator) and the JLG
Hand-Held Analyzer can be connected at this port..
3.2 MDI (MULTIFUNCTION DIGITAL INDICATOR)
AND BRAKE RELEASE
Installation:
NOTE: In order for the MDI to be functional the machine
must be equipped with either the Sevcon Power
Module with Ground Module Software Version P1.13
or higher, or the ZAPI Power Module. Use the JLG
Hand-held Analyzer to check the Sevcon software
version. Plug analyzer into diagnostic port. Scroll to
DIAGNOSTICS -> VERSIONS. Must be at least GM. SW
P1.13. Refer to Section 5.6, Updating Software, for
instructions on updating software.
NOTICE
ENSURE EMS BUTTONS ON THE CONTROL STATIONS ARE
PUSHED IN TO THE OFF POSITION BEFORE CONNECTING AND
MOUNTING THE MDI AND BRAKE RELEASE BRACKET.
1. Open the Battery Cover on the right side of the
machine (ground control station side). Lifting up
on the battery tray and pulling out will allow for
maximum extension.
2. Locate the Diagnostic Port (1) and Brake Release
Plugs (2).
3. Apply di-electric grease to the two Brake Release
Plugs. Connect the Brake Release Plugs to the
Brake Release Button on the backside of the
mounting bracket.
NOTE: The brake release plugs have no polarity, therefore,
can be connected to either post on the button.
Figure 3-1. Diagnostic Port
MDI and Brake Release Bracket
1. Diagnostic Port
2. Brake Release Plugs